Research Article
Sustainable Modular Adaptive Redundancy Technique Emphasizing Partial Reconfiguration for Reduced Power Consumption
Table 1
Comparison between SMART and other prominent fault-tolerance approaches.
| Approach | Fault handling method | Fault detection | Resource coverage | Fault isolation granularity | Power overhead area cost | Latency | Hard faults | Logic | Comparator |
| TMR | Spatial voting | Negligible | No | Yes | No | Voting element | + OV | Vigander [13] | Spatial voting and offline evolutionary refurbishment | Negligible | No | Yes | No | Voting element | + OV + OGA | Lach [15] | Design-time fine grain redundancy-based reconfiguration | Not addressed | No | Yes | Not addressed | Group of predefined CLBs | Fault detection mechanism is not addressed | STARS [16] | Online BIST | Depends on geometry of device | Yes | Yes | Yes | Single LUT | OFE + reconfiguration controller | Garvie [11] | Spatial voting and online (1+1) ES | Negligible | Yes | Yes | No | Voting element | + OV + OGA | Keymeulen [17] | Design-time population-based fault insensitive designs | Not addressed | No | Yes | Not addressed | Not addressed | Fault detection mechanism is not addressed | SMART | Adaptive redundancy, diversity-based configurations, OGA | Negligible | Yes | Yes | No | Voting element | Analyzed in Section 6.4 Power Savings |
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